/Engine/Source/Editor/UnrealEd/Public/PackageHelperFunctions.h
Update the given collection with the lists of adds/removes
bool true if successful, false if not.
bool UpdateCollection ( [FName](API\Runtime\Core\UObject\FName) InCollectionName, [ECollectionShareType::Type](API\Developer\CollectionManager\ECollectionShareType\Type) InType, const [TArray](API\Runtime\Core\Containers\TArray)< [FSoftObjectPath](API\Runtime\CoreUObject\UObject\FSoftObjectPath) > & InAddList, const [TArray](API\Runtime\Core\Containers\TArray)< [FSoftObjectPath](API\Runtime\CoreUObject\UObject\FSoftObjectPath) > & InRemoveList )